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Danfoss ADAP-KOOL AK-CT 200A User Manual

Controller tray for refrigeration appliance control with tev, refrigeration control systems
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User guide
Controller tray for refrigeration
appliance control with TEV
AK-CT 200A + AK-CT 450A
ADAP-KOOL® Refrigeration control systems
AK-CT 450A

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Summary of Contents for Danfoss ADAP-KOOL AK-CT 200A

  • Page 1 User guide Controller tray for refrigeration appliance control with TEV AK-CT 200A + AK-CT 450A ADAP-KOOL® Refrigeration control systems AK-CT 450A...

  • Page 2: Table Of Contents

    • Integrated MODBUS communication with the option of mounting a LonWorks communication card Appliance examples Contents Introduction ....................... 2 Survey of functions ..................19 Operation ......................32 Operation ......................4 Applications .....................12 Menu survey .....................33 Connections .....................17 Ordering ......................39 Data ........................40 User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 3 This software identity code is delivered in a separate plug and must be placed in an RJ45 plug in the hardware. It is first necessary to mount the plug when configuring the controller. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...

  • Page 4: Operation

    Minimum and maximum limits can be set for alarm temperature and time delays. A longer time delay can be set for high temperature alarms after defrosting, appliance cleaning or start-up. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 5 The cooling appliance is stopped like the “Main switch”, but this happens without an “A45 standby alarm”. The function can be enabled by a switch on the DI input or via a setting through data communication. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 6 All the mentioned methods can be used at random – if just of them is activated a defrost will be started. Stop of defrost Defrosting can be stopped by either: • Time • Temperature (with time as safety). User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 7 The frost will be melted so that the air flow and hence the evaporator’s capacity will be greatly improved. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 8 In the area between the two dew point values the controller will manage the power to be supplied to the rail heat. Dew point During defrosting The rail heating will be active during defrosting (as selected in setting d27). User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 9 Light 2 can also be activated by one DI input, e.g. DI4. It can also be controlled with two signals. For two signals, the second signal must be sent with a voltage signal on DI8. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 10 If the door remains open for a longer period than the set alarm delay an alarm will also be triggered. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 11 Forced Close / Injection ON / AKC ON --- Forced cl. Forced cooling --- Forced cool Rail heat link to dew point / Enhanced railheat --- Dew point P0 optimization P0 Optimization The controller supports P0 optimization AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...

  • Page 12: Applications

    No defrost Override light The function cannot be used together with hot gas defrosting. Example If DI1 is used to start a defrost cycle, o02 must be set to 4. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 13 Standard use Standard use with 3-phase defrost AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 14 Two cooling sections - two evaporators Standard Defrost on phase 1 and phase 3 Individual defrost stop with S5 and S5B Two cooling sections - two evaporators 3-phase defrost User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 15 Two cooling sections - one evaporator Standard Two cooling sections - one evaporator 3-phase defrost AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 16 One compressor starts at half the differential so that an optimum adaptation of compressor capacity takes place for the current load in the appliance/ room. There is automatic runtime equalisation between the compressors. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...

  • Page 17: Connections

    (the need for either S3 or S4 can be deselected in Danfoss will not be responsible for any goods, or plant compo- the configuration) nents, damaged as a result of the above defects. It is the installer's...
  • Page 18 Coordinated defrost via data communication The setting of controllers to coordinate their defrosting takes place in the gateway/system manager. Refrigeration is resumed when all controllers have “released” the signal for defrost. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...

  • Page 19: Survey Of Functions

    Here you define the sensor the thermostat is to use for its control function. S3, S4, or a combination of them. With the setting 0%, only S3 is used (Sin). With 100%, only S4. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 20 The alarm is activated if one of the relevant alarm limits A22, A23, A24 or A25 is exceeded. The time delay is set in minutes. (Alarms will not activate when the setting is set to the maximum value. 240 min.) User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 21 4 = Air. Defrost stop temperature Def. Stop Temp The defrost is stopped at a given temperature which is measured with a sensor (the sensor is defined in d10). The temperature value is set. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 22 The defrost stop by temperature has failed. It has stopped by time, which will result in an alarm notification. Wait to send an alarm until x consecutive alarms have registered subsequent “timed stop alarms”. The counter is reset after each correct stop by temperature. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 23 Integration time at PWM Pwm Tn sec Expert setting - The value should only be changed by specially trained staff. Forced cool. (start of forced cooling) Forced close (forced stop of cooling) AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 24 16) Light. DO3 pulls when the input is closed. 17) Extra light. DO4 pulls when the input is closed. 18) Cancel defrost cycle. All defrost cycles are cancelled when the input is closed. 19) Override light (pulse signal) User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 25 16) Light. DO3 pulls when the input is closed. 17) Extra light. DO4 pulls when the input is closed. 18) Cancel defrost cycle. All defrost cycles are cancelled when the input is closed. 19) Override light (pulse signal) AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 26 16) Light. DO3 pulls when the input is closed. 17) Extra light. DO4 pulls when the input is closed. 18) Cancel defrost cycle. All defrost cycles are cancelled when the input is closed. 19) Override light (pulse signal) User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 27 ResetID Mem. Reset all settings so that the ID module can receive settings from another controller. Configuration of night blind function Blind config On= night blind function used. Off=night blind function not used. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 28 Status of high-voltage input DI7, 230 V = 1 = closed DI7 status Status of high voltage input DI8, 230 V = 1 = closed DI8 status 0-10 V output indicates EVR valve’s degree of opening AO1 voltage User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 29 Drain valve EKC error ON indicates controller error Dew point Dewpoint value received from system unit *) Not all will be displayed. Only the function belonging to the selection application is displayed. AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 30 *) Emergency cooling will take effect when there is lack of signal from a defined S3 or S4 sensor. The regulation will continue with a registered average cutin frequency. There are two registered values – one for day operation and one for night operation. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 31 The importance of individual alarms can be defined with a setting. The setting must be carried out in the group "AKM Alarm destinations" Settings from Settings from Alarm relay Send via High Low-High System manager AKM (Alarm destination) Network High Middle Log only Disabled AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...

  • Page 32: Operation

    Manuel start or stop of a defrost • Push the lower button for four seconds. Return to previous menu 1. Press the top or bottom button until ESc is shown. 2. Press the middle button. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...

  • Page 33: Menu Survey

    4 Send address to system unit: • MODBUS: Activate scan function in system unit • If another data communication card is used in the controller: - LON RS485: Activate the function o04 AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 34 Defrost method: 0=none, 1= EL, 2= Gas, 3=Brine, 4=Air 0/No 4/Air 1/EL Defrost stop temperature 0°C 50°C Interval between defrost starts 0 hrs/Off 240 hrs Max. defrost duration 0 min. 360 min. User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 35 On/Off switch (Service Pin message) 0/Off 1/On 0/Off IMPORTANT! o61 must be set prior to o04 (used at LON 485 only) Access code 1 (all settings) Used sensor type : 0=Pt1000, 1=Ptc1000, 0/Pt 1/Ptc 0/Pt AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 36 (E.g.: a value of 5 will activate all high temperature alarms and all sensor error. Input signal on DI4. Switch signal. See DI3 above User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...
  • Page 37 Readout of thermostats actual cut in value Readout of thermostats actual cut out value Measured temperature for alarm thermostat in section B Air temperature in section B Status of relay for light 2 AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...
  • Page 38 - Hold in the top and bottom buttons on the display while reconnecting the supply voltage - Disconnect the supply voltage to the controller - Insert the ID module into the controller - Connect the supply voltage to the controller User Guide RS8GR602 © Danfoss 2016-10 AK-CT 450A...

  • Page 39: Ordering

    Cable with plug for display unit (24 pcs.) 084B7500 0.3 m 084B7179 084B7099 084B7097 084B7630 Console for mounting display on wall 084B8584 Data communication module EKA 175 084B8579 LON RS 485 AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10...

  • Page 40: Data

    *) Gold plating ensures make function with small contact loads. Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.

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Adap-kool ak-ct 450a

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